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MIL-S-7420 Revision B, February 28, 1958
Complete Document
Superseded By: SAE AMS6440
STEEL BARS, ALLOY, CHROMIUM, HIGH CARBON E52100 (AIRCRAFT QUALITY)
Includes all amendments and changes through Cancellation Notice 3, September 11, 2002
Additional Comments: CNCL S/S BY SAE AMS6440, SAE AMS6444
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This specification covers the requirements for high-carbon chromium alloy steel bars of aircraft quality, for bearing applications.